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  3. Dennis Colleran

Dennis Colleran profile image

Sponsor Dennis Colleran

United States
Athlete

Self-Managed

Baseball - Kansas City Royals
Niche
Reach
High
Response Rate

For brands

Want our team to run a deal with Dennis Colleran, or find athletes like them?

Our Account Managers handle outreach, negotiation and delivery for brands on the platform.

About Dennis Colleran — MLB baseball athlete

Dennis Colleran is a Boston-born baseball talent with a strong college-to-pro story, having developed at Northeastern University before joining the Kansas City Royals organization. His profile blends authentic athlete credibility, family-and-relationship-driven personal content, and a grounded lifestyle that makes him a strong fit for brands looking to align with an emerging pro player.


Why you should sponsor me for your next influencer campaign?

 I am well versed in many corners of my life outside of baseball. My social media draws a lot of attention, I intentionally keep my account public so all of my posts are sent around, expanding my reach beyond my followers, sometimes reaching up to 10,000 people.

Overview

🎂23
·
👨Male
📍BostonMassachusettsUnited States

Kansas City Royals

Northeastern University

United States

Professional photographer

Pre-Packaged Projects

Frequently asked questions

More details

Awards

  • FCBL Top Pitching Prospect

  • 2021 Hockomock Baseball MVP

Promote your brand and sponsor Dennis Colleran today!

New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.

Home LifePetsFishingCarsTravel

Pre-Packaged Projects

Social Media Deal

1 post & 1 story with the Dennis Colleran promoting your product.

$100
User Generated Price
Sign up to start an offer

Brand Ambassador Deal

Long-term deal involving appearances, photoshoots, social media and more.

$600
User Generated Price
Sign up to start an offer

Appearance Deal

Have Dennis Colleran make a live appearance at your next event

$900
User Generated Price
Sign up to start an offer

Custom

Need help on a custom package for this athlete?

Login to request help

Frequently asked questions

Brands can sponsor Dennis Colleran on OpenSponsorship by creating a free account, browsing Dennis Colleran's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.

Dennis Colleran is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.

According to OpenSponsorship, estimated pricing to sponsor Dennis Colleran starts at $100 for a social media post, $900 for a appearance and $600 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.

According to OpenSponsorship, Dennis Colleran's audience includes 2K+ Instagram followers, interests including Home Life, Pets, Fishing, Cars, Travel, based in Boston, Massachusetts, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Influencer Marketing Benchmarks: How Many Viewers Click an Influencer's Link? (2026)

Every brand running an influencer campaign on a cost-per-acquisition target eventually asks the same question: how many people will click the link? It decides how many creators you need, and whether your CAC target is realistic before you spend a dollar.

October 29, 2026

How to Measure Influencer Marketing ROI: A 5-Step Framework

How to Measure Influencer Marketing ROI: A 5-Step Framework

 

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.

October 28, 2026

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Nano vs Micro vs Mega Influencers: What 1,527 Creator Campaigns Reveal About Cost and ROI

Every influencer marketing article tells you the same thing: micro-influencers are better value. Almost none of them show you the receipts. So we pulled ours.

July 15, 2026

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Kansas City Royals have a Closer Problem. Who is the Future Solution to Lock down Games? - Sports Illustrated

July 30, 2026

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Northwest Arkansas holds off Springfield - Northwest Arkansas Democrat-Gazette

August 17, 2026

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Naturals Strike Out Season-High 17 Batters in Sunday’s Loss - MLB.com

August 9, 2026

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Dodgers No. 3 prospect Quintero introduces himself with a homer in Double-A debut - MLB.com

September 13, 2026

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